East won with the king and returned the suit, driving out the ace.
South played low and West's nine drove out the ace.
Next she led a heart to the king, driving out the ace.
The diamond queen drove out the ace, and the heart ten was led, taken by the jack.
The chance that the nine will drive out the ace, or even win the trick, is certainly poor.
The right, and essential, play is therefore the six, driving out the ace.
Driving out the ace will give him nine tricks, but he must think further.
Another heart lead drove out the ace, but South had 11 tricks in the bag.
South won with the king and drove out the ace of diamonds.
At the first trick the heart queen drives out the ace.